83811333821131 has 8 divisors (see below), whose sum is σ = 95784980834304. Its totient is φ = 71837836639080.

The previous prime is 83811333821081. The next prime is 83811333821161. The reversal of 83811333821131 is 13112833311838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83811333821131 - 2²¹ = 83811331723979 is a prime.

It is a super-2 number, since 2×83811333821131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83811333821161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36256555 + ... + 38498836.

It is an arithmetic number, because the mean of its divisors is an integer number (11973122604288).

Almost surely, 2^{83811333821131} is an apocalyptic number.

83811333821131 is a deficient number, since it is larger than the sum of its proper divisors (11973647013173).

83811333821131 is a wasteful number, since it uses less digits than its factorization.

83811333821131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74915561.

The product of its digits is 248832, while the sum is 46.

The spelling of 83811333821131 in words is "eighty-three trillion, eight hundred eleven billion, three hundred thirty-three million, eight hundred twenty-one thousand, one hundred thirty-one".